package com.iims.web.controller.system;

import cn.hutool.core.util.StrUtil;
import com.iims.common.annotation.Log;
import com.iims.common.constant.UserConstants;
import com.iims.common.core.controller.BaseController;
import com.iims.common.core.domain.AjaxResult;
import com.iims.common.core.domain.entity.SysDept;
import com.iims.common.enums.BusinessType;
import com.iims.common.utils.SecurityUtils;
import com.iims.system.service.ISysDeptService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.apache.commons.lang3.ArrayUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import springfox.documentation.annotations.ApiIgnore;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;

/**
 * 部门信息
 *
 * @author fanpei
 */
@Api(tags = "C-部门管理")
@RestController
@RequestMapping("/system/dept")
public class SysDeptController extends BaseController {
    @Autowired
    private ISysDeptService deptService;

    /**
     * 获取部门列表
     */
    @ApiOperation("获取部门列表")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "deptName", value = "部门名称", type = "query"),
            @ApiImplicitParam(name = "status", value = "状态:值来源字典sys_normal_disable", type = "query")
    })
    @PreAuthorize("@ss.hasPermi('system:dept:list')")
    @GetMapping("/list")
    public AjaxResult list(@ApiIgnore SysDept dept) {
        List<SysDept> depts = deptService.selectDeptList(dept);
        return AjaxResult.success(depts);
    }

    /**
     * 查询部门列表（排除节点）
     */
    @ApiOperation("查询部门列表（排除节点）")
    @ApiImplicitParam(name = "deptId", value = "待排除部门编号及其下属节点", type = "path", required = true)
    @PreAuthorize("@ss.hasPermi('system:dept:list')")
    @GetMapping("/list/exclude/{deptId}")
    public AjaxResult excludeChild(@ApiIgnore @PathVariable Long deptId) {
        List<SysDept> depts = deptService.selectDeptList(new SysDept());
        Iterator<SysDept> it = depts.iterator();
        while (it.hasNext()) {
            SysDept d = (SysDept) it.next();
            if (d.getDeptId().intValue() == deptId
                    || ArrayUtils.contains(StrUtil.split(d.getAncestors(), ","), deptId + "")) {
                it.remove();
            }
        }
        return AjaxResult.success(depts);
    }

    /**
     * 根据部门编号获取详细信息
     */
    @ApiOperation("根据部门编号获取详细信息")
    @ApiImplicitParam(name = "deptId", value = "部门编号", type = "path", required = true)
    @PreAuthorize("@ss.hasPermi('system:dept:query')")
    @GetMapping(value = "/{deptId}")
    public AjaxResult getInfo(@ApiIgnore @PathVariable Long deptId) {
        return AjaxResult.success(deptService.selectDeptById(deptId));
    }

    /**
     * 获取部门下拉树列表
     */
    @ApiOperation("获取部门下拉树列表")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "parentId", value = "父部门节点编号", paramType = "query"),
            @ApiImplicitParam(name = "deptName", value = "部门名称", paramType = "query"),
            @ApiImplicitParam(name = "status", value = "状态：值来源字典sys_normal_disable", paramType = "query")
    })
    @GetMapping("/treeselect")
    public AjaxResult treeselect(@ApiIgnore SysDept dept) {
        List<SysDept> depts = deptService.selectDeptList(dept);
        return AjaxResult.success(deptService.buildDeptTreeSelect(depts));
    }

    /**
     * 加载对应角色部门列表树
     */
    @ApiOperation("加载对应角色部门列表树[角色修改数据权限时调用]")
    @GetMapping(value = "/roleDeptTreeselect/{roleId}")
    public AjaxResult roleDeptTreeselect(@PathVariable("roleId") Long roleId) throws Exception {
        List<SysDept> depts = deptService.selectDeptList(new SysDept());
        AjaxResult ajax = AjaxResult.success();
        HashMap<String, Object> data = new HashMap(2);
        data.put("checkedKeys", deptService.selectDeptListByRoleId(roleId));
        data.put("depts", deptService.buildDeptTreeSelect(depts));
        ajax.putData(data);
        return ajax;
    }

    /**
     * 新增部门
     */
    @ApiOperation("新增部门")
    @PreAuthorize("@ss.hasPermi('system:dept:add')")
    @Log(title = "部门管理", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@Validated @RequestBody SysDept dept) {
        if (UserConstants.NOT_UNIQUE.equals(deptService.checkDeptNameUnique(dept))) {
            return AjaxResult.error("新增部门'" + dept.getDeptName() + "'失败，部门名称已存在");
        }
        dept.setCreateBy(SecurityUtils.getUsername());
        return toAjax(deptService.insertDept(dept));
    }

    /**
     * 修改部门
     */
    @ApiOperation("修改部门")
    @PreAuthorize("@ss.hasPermi('system:dept:edit')")
    @Log(title = "部门管理", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@Validated @RequestBody SysDept dept) {
        if (UserConstants.NOT_UNIQUE.equals(deptService.checkDeptNameUnique(dept))) {
            return AjaxResult.error("修改部门'" + dept.getDeptName() + "'失败，部门名称已存在");
        } else if (dept.getParentId().equals(dept.getDeptId())) {
            return AjaxResult.error("修改部门'" + dept.getDeptName() + "'失败，上级部门不能是自己");
        } else if (StrUtil.equals(UserConstants.DEPT_DISABLE, dept.getStatus())
                && deptService.selectNormalChildrenDeptById(dept.getDeptId()) > 0) {
            return AjaxResult.error("该部门包含未停用的子部门！");
        }
        dept.setUpdateBy(SecurityUtils.getUsername());
        return toAjax(deptService.updateDept(dept));
    }

    /**
     * 删除部门
     */
    @ApiOperation("删除部门")
    @PreAuthorize("@ss.hasPermi('system:dept:remove')")
    @Log(title = "部门管理", businessType = BusinessType.DELETE)
    @DeleteMapping("/{deptId}")
    public AjaxResult remove(@PathVariable Long deptId) {
        if (deptService.hasChildByDeptId(deptId)) {
            return AjaxResult.error("存在下级部门,不允许删除");
        }
        if (deptService.checkDeptExistUser(deptId)) {
            return AjaxResult.error("部门存在用户,不允许删除");
        }
        return toAjax(deptService.deleteDeptById(deptId));
    }
}
